Mix-up of embryos

Record number: 
971
Adverse Occurrence type: 
MPHO Type: 
Estimated frequency: 
Never reported before to this vigilance programme
Alerting signals, symptoms, evidence of occurrence: 
Cryopreserved embryos of two couples were stored at the same date. When an embryo of one couple was thawed the straw had the name tag of the other couple. All embryos were not properly coded and named. 8 embryos were distroyed
Demonstration of imputability or root cause: 
Embryos of two couples probably mislabeled and then stored in liquid nitrogen, or placed in the wrong compartment with wrong color code
Suggest references: 
AAA